mailbox.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2
 3#ifndef __MAILBOX_H
 4#define __MAILBOX_H
 5
 6#include <linux/bits.h>
 7
 8#define TXDONE_BY_IRQ	BIT(0) /* controller has remote RTR irq */
 9#define TXDONE_BY_POLL	BIT(1) /* controller can read status of last TX */
10#define TXDONE_BY_ACK	BIT(2) /* S/W ACK received by Client ticks the TX */
11
12#endif /* __MAILBOX_H */